The Great Gatsby: The Roaring Twenties By Scotting912 Period: Jan 20, 1920 to Jan 20, 1930 The Roaring Twenties Jan 21, 1921 Hurricane Hits Washington and Oregon Feb 27, 1922 Congress upholds the 19th Amendment Women are granted the opportunity to vote in federal elections Apr 15, 1923 Insulin Becomes Available to Diabetics Oct 15, 1924 Statue of Liberty Declared a National Monument Nov 4, 1924 Calvin Coolidge Elected President of The United States Aug 24, 1925 Mount Rushmore is First Proposed Jan 27, 1926 Erwin Schrödinger Erwin Schrödinger publishes his theory of wave mechanics and presents what becomes known as the Schrödinger equation in quantum mechanics Sep 30, 1927 Babe Ruth Hits Sixtieth Homerun to beat the record Nov 6, 1928 Herbert Hoover Wins Presidential Election by a Landslide Oct 28, 1929 Stock Market Crashes